U.S. small business optimism slipped in September as business owners worried about the economy's near-term outlook, but remained fairly upbeat on sales and expansion prospects.
The National Federation of Independent Business said on Tuesday its Small Business Optimism Index fell 0.2 point to 93.9 last month.
The NFIB corrected August's reading to show 94.1 rather than 94.0, saying March data was mistakenly used in August's calculations.
(Read more: US small business borrowing rises in August)
The September survey was conducted through September 30, when funding for the government ran out, leading to a partial shutdown of federal government activities on Oct. 1.